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Article Dans Une Revue International Journal of Engineering Science Année : 1986

Variational Principle Involving the Stress Tensor in Elastodynamics

Résumé

In the mechanics of inviscid conservative fluids, it is classical to generate the equations of dynamics by formulating with adequate variables, that the pressure integral calculated in the time-space domain corresponding to the motion of the continuous medium is stationary. The present study extends this principle to the dynamics of large deformations for isentropic motions in thermo-elastic bodies: we use a new way of writing the equations of motion in terms of potentials and we substitute the trace of the stress tensor for the pressure term.
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Dates et versions

hal-00303656 , version 1 (22-07-2008)

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Henri Gouin, Jean-François Debieve. Variational Principle Involving the Stress Tensor in Elastodynamics. International Journal of Engineering Science, 1986, 24 (7), pp.1057-1066. ⟨10.1016/0020-7225(86)90001-7⟩. ⟨hal-00303656⟩
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